[Ms. daybook of James Stephens, engineer and machinist, of Stonehouse, Gloucestershire. 1874 Jan-1921 Nov. Details jobs and prices charged for supplies of and repairs to moving machines, steam pumps etc. Includes numerous sales of his patent screw propeller. Some middle pages bear details of the stocks and shares he held 1910, 1920-26; two pages at rear give basic details of some income tax returns 1888-94]
